import org.apache.commons.beanutils.BeanUtils;

import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;

/*流对象获取请求信息*/
@WebServlet("/ServletDemo6")
public class ServletDemo6 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
       //获取字符输入流  只允许post方式
/*        BufferedReader reader = req.getReader();
        String line;
        while ((line=reader.readLine())!=null){
            System.out.println(line);
        }*/

        //获取字节输入流
        ServletInputStream is = req.getInputStream();
        byte [] arr =new byte[1024];
        int len;
        while ((len=is.read(arr))!=-1){
            //取出来之后转换成String类型
            System.out.println(new String(arr,0,len));
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
